Find the value of k so that x=1,y=-1 is a solution of the linear equation 9kx+12ky=63
Answers
Answered by
38
8k(1)+12k(-1)=63
8k-12k=63
-4k = 63
k= - 63/4
8k-12k=63
-4k = 63
k= - 63/4
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Answered by
63
Answer:
Value of K= 21
Step-by-step explanation:
9kx+12ky=63
value of x=-1 and y=-1
9k(-1)+12k(-1)=63
-9k+(-12k)=63
-9k-12k=63
-3k=63
k=63/3
k=21
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